Give necessary calculations.Lazy and spammed answers will be deleted.
Answer can be more than one
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y = 1+2sinx+3cos²x
= 3 + 2sinx-3sin²x
= 13/3 - 3(sinx - 1/3)²
Max value of y will be when
sinx - 1/3 = 0
=> sinx = 1/3
=> x = sin-¹(1/3)
= 3 + 2sinx-3sin²x
= 13/3 - 3(sinx - 1/3)²
Max value of y will be when
sinx - 1/3 = 0
=> sinx = 1/3
=> x = sin-¹(1/3)
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